6461461390 has 8 divisors (see below), whose sum is σ = 11630630520. Its totient is φ = 2584584552.

The previous prime is 6461461387. The next prime is 6461461397. The reversal of 6461461390 is 931641646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461461397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323073060 + ... + 323073079.

It is an arithmetic number, because the mean of its divisors is an integer number (1453828815).

Almost surely, 2^6461461390 is an apocalyptic number.

6461461390 is a deficient number, since it is larger than the sum of its proper divisors (5169169130).

6461461390 is a wasteful number, since it uses less digits than its factorization.

6461461390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646146146.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 6461461390 is about 80383.2158475885. The cubic root of 6461461390 is about 1862.5599112299.

The spelling of 6461461390 in words is "six billion, four hundred sixty-one million, four hundred sixty-one thousand, three hundred ninety".